131215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 188928

約数和(自身を除く): 57713

約数列:

[1, 5, 7, 23, 35, 115, 161, 163, 805, 815, 1141, 3749, 5705, 18745, 26243, 131215]

約数ペア:

[(1, 131215), (5, 26243), (7, 18745), (23, 5705), (35, 3749), (115, 1141), (161, 815), (163, 805)]